Shelter



FIG. 1 is a front and top perspective view of a shelter showing my new design.

FIG. 2 is a top view thereof.

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof.

FIG. 5 is a front view thereof.

FIG. 6 is a back view thereof; and,

FIG. 7 is a front and top perspective view of the shelter in an open position. 

The ornamental design for a shelter, as shown and described. 